<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>基本选择器</title>
  <style>
    /* 标签选择器 */
    div {
      width: 200px;
      height: 200px;
      border: 1px solid blue;
      background-color: #888;
    }

    /* 类标签 */
    .bisque {
      color: bisque;
    }

    /* id选择器 */
    #div {
      width: 200px;
      height: 200px;
      background-color: #000000;
    }
  </style>
</head>

<body>
  <div class="bisque">div</div>
  <p class="bisque">段落1</p>
  <span class="bisque">span标签</span>

  <div id="div1">div1</div>


</body>

</html>